Mathematics, 23.07.2021 17:10, dval8258

Khi giải hệ phương trình tuyến tính XA = B với det(A) 0 bằng cách dùng ma trận nghịch đảo. Công thức nghiệm của hệ là

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Khi giải hệ phương trình tuyến tính XA = B với det(A) 0 bằng cách dùng ma trận nghịch đảo. Công thứ...